Finding the Third Proportional to 801,144 and 1,247,670

Step by Step Solution

1. Step 1: Write the proportion equation
   801,144 : 1,247,670 = 1,247,670 : x
2. Step 2: Convert to fraction form
   801,144/1,247,670 = 1,247,670/x
3. Step 3: Cross multiply
   801,144x = 1,247,670 × 1,247,670
4. Step 4: Simplify right side
   801,144x = 1,556,680,428,900
5. Step 5: Solve for x
   x = 1,556,680,428,900/801,144
6. Step 6: Final answer
   x = 1,943,071.94